Remove use of deprecated MessageLoop methods in components.

components/plugins/renderer/webview_plugin.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/plugins/renderer/webview_plugin.h"
 
 #include <stddef.h>
 
 #include "base/auto_reset.h"
-#include "base/message_loop/message_loop.h"
+#include "base/location.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/numerics/safe_conversions.h"
+#include "base/single_thread_task_runner.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "content/public/common/web_preferences.h"
 #include "content/public/renderer/render_view.h"
 #include "gin/converter.h"
 #include "skia/ext/platform_canvas.h"
 #include "third_party/WebKit/public/platform/WebSize.h"
 #include "third_party/WebKit/public/platform/WebURL.h"
 #include "third_party/WebKit/public/platform/WebURLRequest.h"
 #include "third_party/WebKit/public/platform/WebURLResponse.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebElement.h"
@@ skipping 126 matching lines @@
   return true;
 }
 
 void WebViewPlugin::destroy() {
   if (delegate_) {
     delegate_->PluginDestroyed();
     delegate_ = nullptr;
   }
   container_ = nullptr;
   content::RenderViewObserver::Observe(nullptr);
-  base::MessageLoop::current()->DeleteSoon(FROM_HERE, this);
+  base::ThreadTaskRunnerHandle::Get()->DeleteSoon(FROM_HERE, this);
 }
 
 v8::Local<v8::Object> WebViewPlugin::v8ScriptableObject(v8::Isolate* isolate) {
   if (!delegate_)
     return v8::Local<v8::Object>();
 
   return delegate_->GetV8ScriptableObject(isolate);
 }
 
 void WebViewPlugin::updateAllLifecyclePhases() {
@@ skipping 167 matching lines @@
 }
 
 void WebViewPlugin::OnDestruct() {}
 
 void WebViewPlugin::OnZoomLevelChanged() {
   if (container_) {
     web_view_->setZoomLevel(
       blink::WebView::zoomFactorToZoomLevel(container_->pageZoomFactor()));
   }
 }